OracleConnection 构造函数

定义

命名空间:

System.Data.OracleClient

程序集:

System.Data.OracleClient.dll

初始化 OracleConnection 的新实例。

重载

OracleConnection()	初始化 OracleConnection 的新实例。
OracleConnection(String)	使用指定的连接字符串初始化 OracleConnection 类的新实例。

OracleConnection()

初始化 OracleConnection 的新实例。

public:
 OracleConnection();

public OracleConnection ();

Public Sub New ()

示例

以下示例创建并打开 。OracleConnection

public void CreateOracleConnection()
{
    string connectionString = "Data Source=Oracle8i;Integrated Security=yes";
    using (OracleConnection connection = new OracleConnection(connectionString))
    {
        connection.Open();
        Console.WriteLine("ServerVersion: " + connection.ServerVersion
            + "\nDataSource: " + connection.DataSource);
    }
}

Public Sub CreateOracleConnection()
    Dim connectionString As String = _
       "Data Source=Oracle8i;Integrated Security=yes"

    Using connection As New OracleConnection(connectionString)
        connection.Open()
        Console.WriteLine("ServerVersion: " + connection.ServerVersion _
           + ControlChars.NewLine + "DataSource: " + connection.DataSource)
    End Using
End Sub

OracleConnection(String)

使用指定的连接字符串初始化 OracleConnection 类的新实例。

public:
 OracleConnection(System::String ^ connectionString);

public OracleConnection (string connectionString);

new System.Data.OracleClient.OracleConnection : string -> System.Data.OracleClient.OracleConnection

Public Sub New (connectionString As String)

参数

connectionString

String

用于打开数据库的连接。

示例

以下示例创建并打开 。OracleConnection

public void CreateOracleConnection()
{
    string connectionString = "Data Source=Oracle8i;Integrated Security=yes";
    using (OracleConnection connection = new OracleConnection(connectionString))
    {
        connection.Open();
        Console.WriteLine("ServerVersion: " + connection.ServerVersion
            + "\nDataSource: " + connection.DataSource);
    }
}

Public Sub CreateOracleConnection()
    Dim connectionString As String = _
       "Data Source=Oracle8i;Integrated Security=yes"

    Using connection As New OracleConnection(connectionString)
        connection.Open()
        Console.WriteLine("ServerVersion: " + connection.ServerVersion _
           + ControlChars.NewLine + "DataSource: " + connection.DataSource)
    End Using
End Sub